Home / 13,541,823.95-20,314,277.28-4,909,989.38

Finding the Fourth Proportional to 13,541,823.95, 20,314,277.28 and 4,909,989.38

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Solution

The fourth proportional to 13,541,823.95, 20,314,277.28 and 4,909,989.38 is: 7,365,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541,823.95 : 20,314,277.28 = 4,909,989.38 : x
  2. Step 2: Convert to fraction form
    13,541,823.95/20,314,277.28 = 4,909,989.38/x
  3. Step 3: Cross multiply
    13,541,823.95x = 20,314,277.28 × 4,909,989.38
  4. Step 4: Simplify right side
    13,541,823.95x = 99,742,885,605,603.91
  5. Step 5: Solve for x
    x = 99,742,885,605,603.91/13,541,823.95
  6. Step 6: Final answer
    x = 7,365,542.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.